Kashiyama NeoDry15E / NeoDry15C Air-Cooled Oil-Free Dry Vacuum Pump

Overview

The Kashiyama NeoDry15E and NeoDry15C are precision-engineered, air-cooled, oil-free rotary vane vacuum pumps designed for continuous, reliable operation in analytical laboratories, R&D facilities, and quality control environments. Unlike traditional oil-lubricated rotary vane pumps, these models eliminate hydrocarbon contamination risk by employing a dry-running, non-contact vane design—where vanes rotate without mechanical contact against each other or the pump chamber wall. This frictionless operation is achieved through precise dimensional control and high-tolerance rotor/stator geometry, ensuring long-term dimensional stability and minimal wear. The pumps operate on the principle of volumetric displacement: rotating vanes divide the pump chamber into variable-volume compartments, compressing and expelling gas from the inlet to the exhaust port. Their ultimate vacuum performance of ≤1.0 Pa (abs) and maximum pumping speed of 250 L/min make them suitable for medium-vacuum applications including vacuum drying ovens, freeze dryers, mass spectrometry sample preparation, electron microscopy specimen chambers, and low-pressure reaction systems.

Key Features

• Oil-free, dry-running rotary vane architecture eliminates risk of oil backstreaming, hydrocarbon residue, or lubricant degradation—critical for solvent-sensitive, ultra-clean, or UHV-adjacent processes.
• Air-cooled thermal management system removes dependency on external cooling water, reducing installation complexity, facility footprint, and operational overhead—ideal for benchtop integration and mobile lab setups.
• Optional gas ballast valve (N₂-compatible) enables controlled admission of inert gas during compression, facilitating efficient removal of condensable vapors—including water vapor up to 250 g/h when fully engaged—without compromising ultimate pressure significantly.
• Extended maintenance interval of up to three years under typical dry gas (air/N₂) duty cycles—enabled by corrosion-resistant internal coatings, thermally stable rotor materials, and optimized vane tip clearance design.
• Low-noise operation (≤62 dB[A]) achieved via balanced rotor dynamics, acoustic-damped housing, and vibration-isolating mounting feet—compliant with ISO 3744 noise emission standards for laboratory equipment.
• Flexible power compatibility: supports single-phase (100–115 V or 200–240 V) and three-phase (200–240 V) inputs at 50/60 Hz—facilitating global deployment across diverse electrical infrastructures.

Sample Compatibility & Compliance

These pumps are validated for use with non-corrosive, non-explosive gases including ambient air, nitrogen, argon, and helium. They are not rated for direct pumping of solvents, halogenated compounds, acidic vapors (e.g., HCl, HF), or oxidizing agents (e.g., O₃, NO₂). While not classified as hermetically sealed per ISO 2858, their dynamic sealing integrity meets ISO 8573-1 Class 4 for particulate and Class 3 for moisture in discharged air streams. The NeoDry series conforms to IEC 61000-6-3 (EMC emission limits) and IEC 61000-6-2 (immunity requirements), and supports GLP-compliant documentation workflows through optional analog output signals (0–10 V) for vacuum level monitoring.

Software & Data Management

The NeoDry15E/C operate as standalone hardware units with no embedded firmware or digital interface. However, they integrate seamlessly into automated lab systems via external pressure transducers (e.g., capacitance manometers) and programmable logic controllers (PLCs). Analog voltage outputs (optional) allow real-time vacuum level logging into LIMS or SCADA platforms. For audit-trail compliance under FDA 21 CFR Part 11, users may pair the pump with validated third-party vacuum controllers that provide electronic signature-capable event logs, calibration history tracking, and user-access permissions—fully traceable to ISO/IEC 17025 calibration certificates.

Applications

• Pre-concentration and solvent removal in GC-MS and LC-MS sample preparation workflows.
• Vacuum degassing of resins, adhesives, and polymer precursors prior to casting or curing.
• Controlled-atmosphere packaging validation and shelf-life testing chambers.
• Thermal analysis (TGA/DSC) purge gas management and sample chamber evacuation.
• Electron beam lithography tool base pressure maintenance (in conjunction with turbomolecular backing).
• Pharmaceutical lyophilization cycle support—particularly in secondary drying phases where low residual moisture must be extracted under mild vacuum.

FAQ

Is the NeoDry15E/C certified for use in explosion-proof environments?
No—these pumps lack ATEX or IECEx certification and are not rated for Zone 1/2 hazardous areas. Use only in general-purpose laboratory spaces with adequate ventilation.
Can the gas ballast function be retrofitted to a unit originally supplied without it?
No—the gas ballast assembly is integrated into the pump head casting during manufacturing and cannot be added post-production.
What is the expected service life under continuous 24/7 operation?
With scheduled inspection every 3 years (per Kashiyama’s maintenance protocol for dry gas service), mean time between failures exceeds 25,000 operating hours—validated per ISO 13374 condition monitoring guidelines.
Does the pump require a dedicated exhaust line, or can it vent directly to the lab?
Direct lab venting is permissible only when pumping clean, non-toxic gases (e.g., air, N₂); exhaust ducting is mandatory when handling process vapors or in confined spaces per ANSI Z9.5 laboratory ventilation standards.
Are replacement vanes and seals available as genuine Kashiyama OEM parts?
Yes—full-service kits (including vanes, shaft seals, and gas ballast O-rings) are stocked globally under Kashiyama part numbers ND15-VK and ND15-SK, with traceable lot documentation compliant with ISO 9001:2015.